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Body Mass Index (BMI) is a simple index of weight-for-height that is commonly used to classify underweight, overweight and obesity in adults. It is defined as the weight in kilograms divided by the square of the height in meters (kg/m²).
BMI does not distinguish between weight due to muscle and weight due to fat. Therefore, athletes may have a high BMI but not have a high percentage of body fat. Conversely, elderly people may have a normal BMI but have higher body fat.
Maintain a balanced diet rich in fruits, vegetables, and whole grains.
Aim for at least 150 minutes of moderate aerobic activity per week.
Stay hydrated and get 7-9 hours of quality sleep.
Consult a healthcare provider before starting any weight loss program.
Is BMI outdated? Learn why muscle mass makes the scale lie and why body fat percentage is the real metric of health.
Why BMI is not the whole picture and when you should measure body fat.
Learn about BMI, how it's calculated, and what it says about your health.